They are the most durable of the lead-free systems we offer for packaging.
- chemical composition: colors in this system do not contain voluntary additions of heavy metals- Pb, Cd, Hg and CrVI
- expansion coefficient (C.o.E.): Avg. C.o.E. measured on the basic frit System is 87 (± 4).10-7K-1.
- recommended firing conditions: from 630oC to 650oC (1165-1180oF) in a cycle of 1hr-1.5hrs or more, dependant on both the type of furnace and the volume of ware fired.
Intermixable color range:
- green- VNR 1400
- mid-green- VNR 1402
- blue- VNR 2400
- cobalt blue- VNR 2403
- light yellow- VNR 3433
- dark yellow- VNR 3430
- black- VNR 4400
- dark brown- VNR 6401
- dark red- VNR 7401*
- orange- VNR 7402 *
- intense white- VNR 9420
- silver metallic- VNR 5401
- gold metallic- VNR 3405
- bronze metallic- VNR 1406
- ace imitation etch- VNR 9308
- transparent flux- VNR 843 |
